ISSN 1070-3632, Russian Journal of General Chemistry, 2006, Vol. 76, No. 5, pp. 835-836. + Pleiades Publishing, Inc., 2006. Original Russian Text + AA Prishchenko, MV Livantsov, OP Novikova, LI Livantsova, 2006, published in Zhurnal Obshchei Khimii, 2006, Vol. 76, No. 5, pp. 871-872. ... AA Prishchenko, MV Livantsov, OP Novikova, and LI Livantsova ... Moscow State University, Vorob'yevy Gory, Moscow, 119992 Russia e-mail: liv@org.chem.msu.su